/Engine/Source/Runtime/Landscape/Public/LandscapeEdit.h
template<typename T> static void ShrinkData ( [TArray](API\Runtime\Core\Containers\TArray)< T > & Data, int32 OldMinX, int32 OldMinY, int32 OldMaxX, int32 OldMaxY, int32 NewMinX, int32 NewMinY, int32 NewMaxX, int32 NewMaxY )